声表面波(SAW)传感器能将被测量转换成容易检测的频率信号，即一种准数字信号的输出。
The surface acoustic wave (SAW) sensor can transform the measured object into frequency output, viz a kind of digital signal output.
介绍了一种新型的无源、无线声表面波传感系统。
A new passive and wireless Surface Acoustic Wave (SAW) sensor array is introduced.
由于其驱动信号是可以由结构简单的叉指电极激发的声表面波，因而克服了一般的超声马达结构复杂，制造困难以及小型化困难等缺点。
Because its driving signal is surface acoustic wave, thus it overcomes the shortcomings of complex structure, difficult fabrication and miniaturization in normal ultrasonic motor.
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